[Tickets #14833] Re: Error when communicating with the server with PDF Attachements

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Ticket URL: https://bugs.horde.org/ticket/14833
------------------------------------------------------------------------------
  Ticket             | 14833
  Updated By         | horde-support at ionknight.com
  Summary            | Error when communicating with the server with PDF
                     | Attachements
  Queue              | IMP
  Version            | 6.2.22
  Type               | Bug
  State              | Not A Bug
  Priority           | 1. Low
  Milestone          |
  Patch              |
  Owners             |
------------------------------------------------------------------------------


horde-support at ionknight.com (2018-08-06 15:44) wrote:

Just experienced the same problem on an up to date install of CentOS 7  
that uses upstream released packages.

I would suggest that a more elegant solution would be....

--- Pdf-released.php    2018-07-05 01:31:00.000000000 -0500
+++ Pdf-patched.php     2018-08-06 10:32:10.828102717 -0500
@@ -139,10 +139,18 @@
              if ($img instanceof Horde_Image_Imagick) {
                  /* Get rid of PDF transparency. */
                  $img->imagick->setImageBackgroundColor('white');
-                 
$img->imagick->setImageAlphaChannel(imagick::ALPHACHANNEL_REMOVE);
-                return  
$GLOBALS['injector']->getInstance('Horde_Core_Factory_Image')->create(array(
-                    'data' =>  
$img->imagick->mergeImageLayers(imagick::LAYERMETHOD_FLATTEN)->getImageBlob()
-                ));
+                if (version_compare ( phpversion( 'imagick' ),  
'3.3.0', '<' ) ) {
+                       # Maintain compatibility with packaged OSes
+                       return  
$GLOBALS['injector']->getInstance('Horde_Core_Factory_Image')->create(array(
+                               'data' =>  
$img->imagick->flattenImages()->getImageBlob()
+                       ));
+                } else {
+                       # Support Newer iMagick installations
+                        
$img->imagick->setImageAlphaChannel(imagick::ALPHACHANNEL_REMOVE);
+                       return  
$GLOBALS['injector']->getInstance('Horde_Core_Factory_Image')->create(array(
+                               'data' =>  
$img->imagick->mergeImageLayers(imagick::LAYERMETHOD_FLATTEN)->getImageBlob()
+                       ));
+               }
              }

              return $img->getImageAtIndex(0);



>
>> is it possible, that the ImageMagick version is too old on Centos 7.5 ?
>>
>> [root at dmz-sv-webmail ~]# rpm -q ImageMagick
>> ImageMagick-6.7.8.9-15.el7_2.x86_64
>> [root at dmz-sv-webmail ~]#
>
>
> Yep! This was it.  I installed now  
> ImageMagick6-6.9.10.6-1.el7.remi.x86_64 from remi's Repo and rebuilt  
> the imagick pecl extension, and voila! now it works.
>
>
> So problem is solved now for me
>